. >> jonathan elias was reporting for wcbv tv on april 15th. >> it's sort of like the fourth of july for massachusetts. people celebrate where we are, who we are and nothing like it. >> there's nothing else like it. >> "boston globe" reporter steve silva was at the starting line of the day's biggest event, the boston marathon. >> part of the american sports scene since 1897. >> it was a chilly morning, 30 degrees, people starting to warm up, unlike last year when it was 80 degrees. the weather's not going to be a story this year. what's going to be the story? >> for pediatric resident natalie stavas, it would be a story of giving back. >> it was a very special day for me. i had decided to raise money for boston medical center pediatrics. >> doctors told chris that this was a day her daughter might not ever live to see. >> they said her prognosis was, you know, maybe she'll be 10 if we were lucky. >> the mitochondrial disease that weakened her cells made her terribly ill. >> those first few years were hard. she needed to have lots of medical procedures, time in the hospital, lots of p